41 lines
913 B
Ruby
41 lines
913 B
Ruby
# frozen_string_literal: true
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module Gitlab
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module Auth
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module Saml
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class OriginValidator
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AUTH_REQUEST_SESSION_KEY = "last_authn_request_id"
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def initialize(session)
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@session = session || {}
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end
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def store_origin(authn_request)
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session[AUTH_REQUEST_SESSION_KEY] = authn_request.uuid
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end
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def gitlab_initiated?(saml_response)
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return false if identity_provider_initiated?(saml_response)
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matches?(saml_response)
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end
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private
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attr_reader :session
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def matches?(saml_response)
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saml_response.in_response_to == expected_request_id
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end
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def identity_provider_initiated?(saml_response)
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saml_response.in_response_to.blank?
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end
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def expected_request_id
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session[AUTH_REQUEST_SESSION_KEY]
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end
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end
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end
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end
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end
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